During a 6-month period, 160 patients were documented in a prospective clinical multicentre study. According to the AO classification, there were 36% A-type fractures, 41% B- and 23% C-type injuries. A 6-month follow-up was available for 17 patients. The mean age of these patients was 67 years. One patient had an A-type fracture. There were ten B- and six C-type fractures. At the time of follow-up, the mean Constant score was 66 points. Radiographically, all fractures had healed. Intra-articular screw penetration and loss of reduction were both observed once.
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